2 Chain Checker is a drop-in gauge that measures chain wear accurately

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Key Codes are random

and can be 172

A removable microscreen for additional dirt and debris protection as well as compatible roll-offs are sold separately

GIANT Gavia Fondo 1 - 700 x 28c - Black giant 2 Chain Checker is aLow rolling resistance combines with high mileage through use of a fast, efficient and durable compound in the center of the tire with a tackier compound on the shoulder Optimized compound profile provides better tire shoulder grip resulting in outstanding cornering capability Endurance Specific Tread Pattern Design for better wet mix terrain grip R Shield Puncture Protection ensures a high level of puncture protection Carbon Kevlar Composite Bead